/* roulang page: index */
:root{
  --lime:#C6F53C;
  --lime-soft:rgba(198,245,60,.14);
  --ink:#0B0D0C;
  --panel:#14181A;
  --orange:#FF5C29;
  --bg:#F5F3EE;
  --bg-alt:#EDEAE3;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#15181A;
  --muted:#5B6166;
  --radius-card:18px;
  --radius-img:14px;
  --shadow-sm:0 1px 2px rgba(11,13,12,.06);
  --shadow-lg:0 12px 32px rgba(11,13,12,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.02em;font-weight:900}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:8px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px}}
@media(min-width:1200px){.container-x{padding-left:48px;padding-right:48px}}
.section{padding-top:64px;padding-bottom:64px}
@media(min-width:1024px){.section{padding-top:104px;padding-bottom:104px}}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--ink);color:#F5F3EE}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime)}
.sec-title{font-size:clamp(22px,3.2vw,34px)}
.sec-lead{margin-top:12px;color:var(--muted);font-size:15px;max-width:640px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,243,238,.94);border-bottom:1px solid transparent;transition:border-color .24s var(--ease),background .24s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(245,243,238,.98)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:17px}
.logo-text{font-weight:900;font-size:16px;letter-spacing:-.01em;white-space:nowrap}
.logo-text span{color:var(--muted);font-weight:700}
.nav-main{display:none;align-items:center;gap:26px;margin-left:auto}
@media(min-width:1024px){.nav-main{display:flex}}
.nav-link{position:relative;font-size:15px;font-weight:600;padding:6px 0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;border-radius:3px;background:var(--lime);transition:width .24s var(--ease)}
.nav-link:hover::after,.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media(min-width:1024px){.header-actions{margin-left:0}}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);display:flex;align-items:center;justify-content:center;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.icon-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--lime);color:var(--ink);padding:14px 28px}
.btn-primary:hover{box-shadow:0 8px 24px rgba(198,245,60,.35);transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink);padding:12px 26px;background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--bg)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-dark{background:var(--ink);color:var(--lime);padding:15px 32px}
.btn-dark:hover{box-shadow:0 12px 30px rgba(11,13,12,.35);transform:translateY(-2px)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;border-bottom:2px solid transparent;padding-bottom:3px;transition:border-color .24s var(--ease)}
.link-arrow i{transition:transform .24s var(--ease)}
.link-arrow:hover{border-color:var(--lime)}
.link-arrow:hover i{transform:translateX(4px)}
.nav-toggle{display:flex}
@media(min-width:1024px){.nav-toggle{display:none}}
.drawer{position:fixed;inset:68px 0 auto 0;z-index:55;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 20px 22px;display:none;box-shadow:var(--shadow-lg)}
.drawer.is-open{display:block}
.drawer a{display:block;padding:13px 4px;border-bottom:1px solid var(--line);font-weight:600}
.drawer .btn{width:100%;margin-top:16px}

/* hero */
.hero{padding-top:28px;padding-bottom:56px;background:linear-gradient(180deg,#F0EDE6 0%,var(--bg) 100%)}
@media(min-width:1024px){.hero{padding-top:52px;padding-bottom:88px}}
.hero-grid{display:grid;gap:32px}
@media(min-width:1024px){.hero-grid{grid-template-columns:5fr 4fr;align-items:center;gap:56px}}
.badge-live{display:inline-flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.badge-live i{color:var(--orange);font-size:9px}
.hero h1{margin-top:20px;font-size:clamp(30px,5.6vw,60px)}
.hero-sub{margin-top:18px;font-size:clamp(17px,2vw,21px);font-weight:700}
.hero-desc{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:560px}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.hero-stats{margin-top:36px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;border-top:1px solid var(--line);padding-top:22px;max-width:520px}
.hero-stats b{display:block;font-size:24px;font-weight:900;letter-spacing:-.02em}
.hero-stats span{font-size:12.5px;color:var(--muted)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;background:#E4E0D8;height:78vh;box-shadow:var(--shadow-lg)}
@media(min-width:1024px){.hero-media{height:auto;aspect-ratio:9/16;max-height:640px}}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,12,0) 38%,rgba(11,13,12,.86) 100%)}
.hero-media-body{position:absolute;left:18px;right:18px;bottom:18px;z-index:2;color:#F5F3EE}
.hero-media-body .tag{display:inline-flex;align-items:center;gap:6px;background:rgba(11,13,12,.72);color:var(--lime);font-size:12px;font-weight:700;letter-spacing:.06em;padding:5px 12px;border-radius:999px}
.hero-media-body h3{margin-top:12px;font-size:19px;color:#fff}
.hero-media-body p{margin-top:6px;font-size:13px;color:rgba(245,243,238,.72)}

/* 频道条 */
.channel-list{margin-top:40px;display:grid;gap:14px}
@media(min-width:768px){.channel-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
.channel-item{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 22px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.channel-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(11,13,12,.18)}
.channel-item i.channel-ico{width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--lime-soft);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:17px}
.channel-item h3{font-size:17px}
.channel-item p{font-size:13.5px;color:var(--muted);margin-top:4px}
.channel-item .arrow{margin-left:auto;color:var(--muted);transition:transform .24s var(--ease)}
.channel-item:hover .arrow{transform:translateX(4px);color:var(--ink)}

/* 轨道卡片 */
.rail{margin-top:36px;display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(11,13,12,.18);border-radius:999px}
.rail-card{position:relative;flex:0 0 62vw;max-width:280px;aspect-ratio:9/16;border-radius:var(--radius-card);overflow:hidden;scroll-snap-align:start;background:#E4E0D8;border:1px solid var(--line);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
@media(min-width:1024px){.rail-card{flex:0 0 260px;max-width:none}}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.rail-card img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.rail-card:hover img{transform:scale(1.04)}
.rail-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,12,0) 45%,rgba(11,13,12,.88) 100%)}
.rail-card .corner{position:absolute;top:12px;left:12px;z-index:2;background:rgba(11,13,12,.75);color:#fff;font-size:12px;font-weight:700;letter-spacing:.06em;padding:4px 10px;border-radius:999px}
.rail-card .corner.hot{background:var(--orange);color:#fff}
.rail-card .body{position:absolute;left:14px;right:14px;bottom:14px;z-index:2;color:#fff}
.rail-card .body h3{font-size:15.5px;line-height:1.45}
.rail-card .body p{margin-top:6px;font-size:12.5px;color:rgba(245,243,238,.72)}

/* 清单 */
.list-rows{margin-top:36px;border-top:1px solid var(--line)}
.list-row{display:flex;align-items:center;gap:20px;padding:22px 10px;border-bottom:1px solid var(--line);transition:background .24s var(--ease),padding .24s var(--ease)}
.list-row:hover{background:var(--lime-soft);padding-left:18px;padding-right:18px}
.list-num{flex:0 0 62px;font-size:40px;font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:1.5px rgba(11,13,12,.42);font-variant-numeric:tabular-nums}
.list-body h3{font-size:17.5px}
.list-body p{margin-top:5px;font-size:14px;color:var(--muted)}
.list-row .arrow{margin-left:auto;color:var(--muted);transition:transform .24s var(--ease),color .24s var(--ease)}
.list-row:hover .arrow{transform:translateX(4px);color:var(--ink)}

/* chips */
.chip-row{margin-top:22px;display:flex;gap:10px;overflow-x:auto;padding-bottom:6px}
.chip{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--muted);transition:all .22s var(--ease)}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--lime)}
.tag-lime{display:inline-flex;align-items:center;background:var(--lime-soft);color:#3E5410;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;letter-spacing:.06em}
.tag-orange{display:inline-flex;align-items:center;gap:5px;background:rgba(255,92,41,.12);color:#B8360C;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;letter-spacing:.06em}
.tag-grey{display:inline-flex;align-items:center;background:var(--bg-alt);color:var(--muted);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;letter-spacing:.06em}

/* 资讯卡 */
.news-grid{margin-top:36px;display:grid;gap:22px}
@media(min-width:1024px){.news-grid{grid-template-columns:5fr 7fr;gap:28px}}
.news-card{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:14px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(11,13,12,.16)}
.news-card__thumb{flex:0 0 96px;width:96px;height:96px;border-radius:var(--radius-img);overflow:hidden;background:#E4E0D8}
.news-card__thumb img{width:100%;height:100%;object-fit:cover}
.news-card h3{margin-top:8px;font-size:17px}
.news-card p{margin-top:6px;font-size:14px;color:var(--muted)}
.news-card .meta{margin-top:10px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.news-feature{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-feature__cover{aspect-ratio:3/2;background:#E4E0D8;overflow:hidden}
.news-feature__cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.news-feature:hover .news-feature__cover img{transform:scale(1.03)}
.news-feature__body{padding:20px}
.news-feature__body h3{margin-top:12px;font-size:20px}
.news-feature__body p{margin-top:10px;font-size:14.5px;color:var(--muted)}
.news-feature__body .meta{margin-top:14px;display:flex;gap:12px;font-size:12.5px;color:var(--muted)}
.news-side{display:grid;gap:14px}
.news-more{margin-top:26px;font-size:14px;color:var(--muted)}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:56px 20px;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-card);text-align:center}
.empty-state i{font-size:26px;color:var(--muted)}
.empty-state p{color:var(--muted);font-size:14.5px}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* 数据块 */
.stat-band{margin-top:40px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:rgba(245,243,238,.16);border-radius:var(--radius-card);overflow:hidden}
@media(min-width:768px){.stat-band{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-band__item{background:var(--panel);padding:28px 22px}
.stat-band__item b{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:900;color:var(--lime);letter-spacing:-.02em}
.stat-band__item span{display:block;margin-top:8px;font-size:13.5px;color:rgba(245,243,238,.7)}
.stat-band__item em{display:block;margin-top:6px;font-size:12.5px;font-style:normal;color:rgba(245,243,238,.45)}

/* 口碑 */
.voice-rail{margin-top:36px;display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:14px}
.voice-rail::-webkit-scrollbar{height:6px}
.voice-rail::-webkit-scrollbar-thumb{background:rgba(11,13,12,.18);border-radius:999px}
.voice-card{flex:0 0 272px;scroll-snap-align:start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.voice-head{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:999px;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px}
.voice-head b{display:block;font-size:14.5px}
.voice-head span{display:block;font-size:12.5px;color:var(--muted)}
.stars{margin-left:auto;color:var(--orange);font-size:12px;letter-spacing:1px}
.voice-card p{margin-top:14px;font-size:14px;color:var(--muted)}

/* FAQ */
.faq{margin-top:32px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);position:relative}
.faq summary{display:flex;align-items:center;gap:14px;padding:20px 2px;font-weight:700;font-size:16px;cursor:pointer;list-style:none;transition:padding .24s var(--ease)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;font-size:20px;font-weight:700;color:var(--muted);transition:transform .24s var(--ease),color .24s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--ink)}
.faq details::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--lime);opacity:0;border-radius:3px;transition:opacity .24s var(--ease)}
.faq details[open]::before{opacity:1}
.faq details[open] summary{padding-left:16px}
.faq .faq-body{padding:0 2px 22px 16px;font-size:15px;color:var(--muted);line-height:1.8}

/* CTA */
.cta-band{background:var(--ink);color:#F5F3EE;border-radius:0}
.cta-inner{padding:64px 0;display:flex;flex-direction:column;gap:22px;align-items:flex-start}
@media(min-width:1024px){.cta-inner{padding:88px 0;flex-direction:row;align-items:center;justify-content:space-between}}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);color:#fff}
.cta-inner p{margin-top:12px;color:rgba(245,243,238,.7);font-size:15px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.cta-actions .link-arrow{color:#F5F3EE}

/* footer */
.site-footer{background:var(--ink);color:#F5F3EE;padding-top:64px}
.footer-grid{display:grid;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.site-footer h3{font-size:14px;letter-spacing:.08em;color:rgba(245,243,238,.55);font-weight:700}
.site-footer .f-list{margin-top:16px;display:grid;gap:10px}
.site-footer .f-list a{font-size:14.5px;color:rgba(245,243,238,.82);transition:color .2s var(--ease)}
.site-footer .f-list a:hover{color:var(--lime)}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(245,243,238,.66);max-width:320px}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(245,243,238,.14);padding:22px 0 calc(22px + env(safe-area-inset-bottom));display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(245,243,238,.55)}

/* 底部 Tab */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;background:rgba(245,243,238,.97);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
@media(min-width:768px){.tabbar{display:none}}
.tabbar a{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 0 8px;font-size:10.5px;color:var(--muted);font-weight:600}
.tabbar a i{font-size:17px}
.tabbar a.is-active{color:var(--ink)}
.tabbar a.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--lime)}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.fade-up{animation:fadeUp .5s var(--ease) both}

/* roulang page: article */
:root{
  --lime:#C6F53C;
  --ink:#0B0D0C;
  --panel:#14181A;
  --orange:#FF5C29;
  --paper:#F5F3EE;
  --alt:#EDEAE3;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#15181A;
  --muted:#5B6166;
  --inv:#F5F3EE;
  --r-card:18px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
  -webkit-font-smoothing:antialiased;
}
@media (min-width:768px){body{padding-bottom:0}}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.35}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container-x{padding-left:32px;padding-right:32px}}
@media (min-width:1024px){.container-x{padding-left:48px;padding-right:48px}}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,243,238,.95);border-bottom:1px solid transparent;transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(11,13,12,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:900}
.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--lime);font-size:17px;font-weight:900;letter-spacing:0}
.logo-text{font-size:17px;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.logo-sub{color:var(--muted);font-weight:700;font-size:13px;margin-left:2px}
.nav-main{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-main::-webkit-scrollbar{display:none}
.nav-link{position:relative;padding:8px 12px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--muted);white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link:hover{color:var(--ink);background:var(--alt)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:999px;background:var(--lime)}
.header-actions{display:flex;align-items:center;gap:10px}
.icon-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}
.icon-btn svg{width:19px;height:19px}
@media (max-width:767px){.nav-main{display:none}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 26px;font-weight:700;font-size:15px;line-height:1.2;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#D4FF5A;box-shadow:0 8px 24px rgba(198,245,60,.35);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-dark{background:var(--ink);color:var(--inv)}
.btn-dark:hover{background:#1B211F;transform:translateY(-2px)}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--inv)}
.btn-sm{padding:10px 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--ink);border-bottom:1.5px solid rgba(11,13,12,.25);padding-bottom:2px;transition:border-color .2s var(--ease)}
.link-arrow svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.link-arrow:hover{border-color:var(--lime)}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow.on-dark{color:var(--inv);border-bottom-color:rgba(245,243,238,.35)}
.link-arrow.on-dark:hover{border-color:var(--lime)}

/* ---------- tags / badges ---------- */
.chip{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:4px 11px;font-size:12px;font-weight:700;letter-spacing:.08em;background:var(--alt);color:var(--muted)}
.chip-lime{background:rgba(198,245,60,.32);color:#3D5300}
.chip-hot{background:rgba(255,92,41,.14);color:#C2390F}
.chip-dark{background:var(--ink);color:var(--inv)}

/* ---------- article head ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:var(--muted);padding:22px 0 0}
.crumb a{color:var(--muted);transition:color .2s}
.crumb a:hover{color:var(--ink);text-decoration:underline}
.crumb .sep{color:#B9B3A6}
.crumb .now{color:var(--text);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(27px,4.4vw,44px);font-weight:900;margin-top:14px;line-height:1.28}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6C0B4}
.cover-wrap{margin-top:26px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--line);aspect-ratio:16/9}
.cover-wrap img{width:100%;height:100%;object-fit:cover}
.section-py{padding-top:56px}
@media (min-width:1024px){.section-py{padding-top:80px}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.sec-title{font-size:clamp(22px,3.2vw,34px);font-weight:900}
.sec-sub{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:60ch}

/* ---------- article body ---------- */
.reading{max-width:720px;margin:34px auto 0}
.article-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 22px}
@media (min-width:768px){.article-body{padding:44px 40px}}
.article-body h2{font-size:clamp(20px,2.6vw,26px);font-weight:800;margin:40px 0 14px;padding-bottom:0}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19px;font-weight:700;margin:30px 0 10px}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 8px}
.article-body p{font-size:16px;line-height:1.9;color:#23282A;margin:0 0 18px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px}
.article-body li{font-size:16px;line-height:1.85;color:#23282A;margin:8px 0}
.article-body blockquote{margin:24px 0;padding:14px 18px;border-left:3px solid var(--lime);background:#F7F9EF;border-radius:0 12px 12px 0;color:#33383A}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0;width:100%;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body a{color:#3E6B00;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#2C4E00}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--alt);font-weight:700}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--alt);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body strong{font-weight:700}

.empty-state{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:52px 24px;text-align:center;max-width:720px;margin:34px auto 0}
.empty-state .em-mark{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;background:var(--alt);color:var(--muted);margin:0 auto 16px;font-size:22px;font-weight:900}
.empty-state h2{font-size:22px;font-weight:900}
.empty-state p{font-size:14.5px;color:var(--muted);margin:10px 0 20px}

/* ---------- tag + share ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;max-width:720px;margin-left:auto;margin-right:auto}
.tag-row .chip{transition:background .2s var(--ease),color .2s var(--ease)}
.tag-row .chip:hover{background:var(--ink);color:var(--inv)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;max-width:720px;margin:20px auto 0;padding-top:20px;border-top:1px solid var(--line)}
.share-row span.share-label{font-size:13px;color:var(--muted);letter-spacing:.08em;font-weight:700}
.share-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease)}
.share-btn:hover{border-color:var(--ink);transform:translateY(-2px)}
.share-btn svg{width:18px;height:18px}

/* ---------- next cards ---------- */
.mini-nav{display:grid;gap:14px;grid-template-columns:1fr;max-width:720px;margin:26px auto 0}
@media (min-width:640px){.mini-nav{grid-template-columns:1fr 1fr}}
.mini-nav a{display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);background:var(--card);border-radius:var(--r-card);padding:18px 20px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.mini-nav a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFC9BB}
.mini-nav .k{font-size:12px;letter-spacing:.08em;font-weight:700;color:var(--muted)}
.mini-nav .t{font-size:15.5px;font-weight:700}

/* ---------- recom cards ---------- */
.grid-3{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.rec-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFC9BB}
.rec-thumb{position:relative;aspect-ratio:3/2;background:var(--alt);overflow:hidden}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-badge{position:absolute;left:12px;top:12px}
.rec-body{padding:18px 20px 22px}
.rec-body h3{font-size:16.5px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12.5px;color:var(--muted)}

/* ---------- faq ---------- */
.faq-list{max-width:820px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0 20px 0;font-size:16.5px;font-weight:700;transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:#3E6B00}
.faq-item summary .plus{flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;color:var(--muted);transition:transform .24s var(--ease),color .24s var(--ease)}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--ink)}
.faq-item[open] summary{padding-left:14px}
.faq-item[open]::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:999px;background:var(--lime)}
.faq-answer{font-size:15px;line-height:1.8;color:var(--muted);padding:0 40px 22px 0}
.faq-item[open] .faq-answer{padding-left:14px}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:var(--inv);border-radius:24px;padding:44px 26px;display:flex;flex-direction:column;gap:22px}
@media (min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:52px 48px}}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:900;color:#fff}
.cta-band p{font-size:14.5px;color:rgba(245,243,238,.72);margin-top:10px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--inv);margin-top:72px;padding-top:56px}
@media (min-width:1024px){.site-footer{margin-top:100px}}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr;padding-bottom:36px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr}}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(245,243,238,.72);margin-top:14px;max-width:330px}
.site-footer h3{font-size:12.5px;letter-spacing:.1em;color:rgba(245,243,238,.55);font-weight:700;margin-bottom:14px}
.f-list{display:flex;flex-direction:column;gap:10px}
.f-list a{font-size:14.5px;color:rgba(245,243,238,.82);transition:color .2s var(--ease),transform .2s var(--ease);width:fit-content}
.f-list a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(245,243,238,.12);padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(245,243,238,.55)}

/* ---------- mobile tabbar ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(245,243,238,.97);border-top:1px solid var(--line);padding:8px 4px calc(8px + env(safe-area-inset-bottom))}
@media (min-width:768px){.tabbar{display:none}}
.tab-item{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10.5px;color:var(--muted);padding:2px 0;border-radius:12px}
.tab-item svg{width:22px;height:22px}
.tab-item.is-active{color:var(--ink);font-weight:700}
.tab-item.is-active::before{content:"";position:absolute;top:-8px;width:22px;height:3px;border-radius:999px;background:var(--lime)}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --lime:#C6F53C;
  --ink:#0B0D0C;
  --panel:#14181A;
  --lava:#FF5C29;
  --bg:#F5F3EE;
  --bg-alt:#EDEAE3;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#15181A;
  --muted:#5B6166;
  --on-dark:#F5F3EE;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(11,13,12,.06);
  --sh-hover:0 12px 32px rgba(11,13,12,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
}
@media (min-width:768px){ body{padding-bottom:0} }
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.container-x{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){ .container-x{padding:0 32px} }
@media (min-width:1024px){ .container-x{padding:0 48px} }
.tabular{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.96);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(11,13,12,.06);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;letter-spacing:0;
}
.logo-text{font-weight:900;font-size:17px;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.logo-text span{color:var(--muted);font-weight:700}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav-main::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(11,13,12,.05)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  background:var(--lime);border-radius:var(--r-pill);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--card);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);transform:translateY(-2px)}
.icon-btn:active{transform:scale(.97)}
@media (max-width:1023px){ .nav-main{margin-left:auto} }
@media (max-width:767px){
  .nav-main{display:none}
  .header-actions .btn{display:none}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-weight:800;font-size:15px;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 1px 2px rgba(11,13,12,.12)}
.btn-primary:hover{box-shadow:0 8px 24px rgba(198,245,60,.35);transform:translateY(-2px)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-disabled{opacity:.4;pointer-events:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--ink);
}
.text-link .arrow{transition:transform .22s var(--ease)}
.text-link:hover .arrow{transform:translateX(4px)}
.text-link:hover{text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:3px;text-underline-offset:4px}

/* ---------- Chips & badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--card);border:1px solid var(--line);
  font-size:12px;letter-spacing:.08em;color:var(--muted);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--on-dark)}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.08em;font-weight:700;
}
.badge-lava{background:var(--lava);color:#fff}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-dark{background:rgba(11,13,12,.82);color:var(--on-dark)}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);padding:22px 0 14px;
}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px}
.crumb .sep{color:#B9B4A9}

/* ---------- Hero (category banner) ---------- */
.cat-hero{
  position:relative;overflow:hidden;border-radius:22px;
  background:#E4E0D8 url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  min-height:420px;display:flex;align-items:flex-end;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,13,12,.52) 0%,rgba(11,13,12,.78) 58%,rgba(11,13,12,.94) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:42px 24px;width:100%;color:var(--on-dark)}
@media (min-width:768px){ .cat-hero-inner{padding:56px 48px} }
.cat-hero h1{
  font-size:clamp(30px,5.6vw,52px);font-weight:900;color:var(--on-dark);
  margin:16px 0 12px;line-height:1.15;
}
.cat-hero .lede{font-size:clamp(15px,1.6vw,18px);color:rgba(245,243,238,.86);max-width:640px}
.cat-hero .hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-hero .btn-ghost{border-color:rgba(245,243,238,.7);color:var(--on-dark)}
.cat-hero .btn-ghost:hover{background:var(--on-dark);color:var(--ink)}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;padding-top:22px;border-top:1px solid rgba(245,243,238,.22)}
.hero-facts .fact b{display:block;font-size:22px;font-weight:900;color:var(--lime);letter-spacing:-.02em}
.hero-facts .fact span{font-size:13px;color:rgba(245,243,238,.7)}

/* ---------- Sections ---------- */
.section{padding:56px 0}
@media (min-width:1024px){ .section{padding:88px 0} }
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,3.2vw,32px)}
.section-head p{color:var(--muted);font-size:14px;margin-top:6px;max-width:640px}

/* ---------- Info grid ---------- */
.info-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){ .info-grid{grid-template-columns:repeat(2,1fr)} }
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D6D1C6}
.info-card .num{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:26px;font-weight:800;
  color:transparent;-webkit-text-stroke:1px var(--ink);letter-spacing:.02em;
}
.info-card h3{font-size:18px;margin:10px 0 6px}
.info-card p{font-size:14px;color:var(--muted)}

/* ---------- Row card stream ---------- */
.stream{display:flex;flex-direction:column;gap:18px;border-top:1px solid var(--line);padding-top:24px}
.row-card{
  display:grid;grid-template-columns:1fr;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--sh);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D6D1C6}
.row-card-media{position:relative;display:block;overflow:hidden;border-radius:var(--r-img);background:#E4E0D8}
.row-card-media img{width:100%;height:200px;object-fit:cover;border-radius:var(--r-img);transition:transform .3s var(--ease)}
.row-card:hover .row-card-media img{transform:scale(1.04)}
.row-card-media .badge{position:absolute;top:10px;left:10px}
.row-card-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.row-card-body h3{font-size:20px;line-height:1.35}
.row-card-body .desc{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--muted);margin-top:2px}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
@media (min-width:768px){
  .row-card{grid-template-columns:320px 1fr;align-items:center;padding:16px;gap:22px}
  .row-card-media img{height:196px}
}

/* ---------- FAQ ---------- */
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:6px 24px;box-shadow:var(--sh)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16px;font-weight:700;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:#3C4145}
.faq summary .plus{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-alt);color:var(--ink);font-size:16px;font-weight:700;line-height:1;
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq details[open] summary .plus{transform:rotate(45deg);background:var(--lime)}
.faq .faq-a{
  border-left:3px solid var(--lime);padding:0 0 20px 16px;margin-bottom:6px;
  font-size:15px;line-height:1.8;color:var(--muted);
}

/* ---------- Related chips ---------- */
.cat-chips{display:flex;flex-wrap:wrap;gap:10px}
.cat-chips .chip{padding:9px 18px;font-size:13px;letter-spacing:.02em}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--on-dark);border-radius:22px;padding:38px 24px;text-align:center}
@media (min-width:768px){ .cta-band{padding:56px 48px} }
.cta-band h2{font-size:clamp(22px,3.2vw,32px);color:var(--on-dark)}
.cta-band p{color:rgba(245,243,238,.72);font-size:15px;margin:12px auto 24px;max-width:520px}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
.cta-band .text-link{color:var(--on-dark)}
.cta-band .text-link:hover{text-decoration-color:var(--lime)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--on-dark);margin-top:56px;padding:54px 0 24px}
@media (min-width:1024px){ .site-footer{padding-top:72px} }
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px} }
.site-footer h3{font-size:14px;letter-spacing:.06em;color:rgba(245,243,238,.62);font-weight:700;margin-bottom:14px}
.site-footer p{color:rgba(245,243,238,.72);font-size:14px;margin-top:14px;max-width:320px}
.footer-brand .logo{margin-bottom:4px}
.f-list{display:flex;flex-direction:column;gap:10px}
.f-list a{font-size:14px;color:rgba(245,243,238,.78);transition:color .2s var(--ease)}
.f-list a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(245,243,238,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(245,243,238,.55);
}

/* ---------- Mobile tab bar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:stretch;
  background:rgba(245,243,238,.94);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:9px 2px 8px;font-size:10.5px;color:var(--muted);position:relative;
  transition:color .2s var(--ease);
}
.tab svg{width:22px;height:22px}
.tab.is-active{color:var(--ink);font-weight:700}
.tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:var(--r-pill);background:var(--lime);
}
.tab:hover{color:var(--ink)}
@media (min-width:768px){ .tabbar{display:none} }

/* ---------- Motion ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.reveal{animation:fadeUp .6s var(--ease) both}
.reveal-2{animation-delay:.08s}
.reveal-3{animation-delay:.16s}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .row-card:hover,.info-card:hover,.btn:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --lime:#C6F53C;
  --lime-soft:rgba(198,245,60,.16);
  --ink:#0B0D0C;
  --panel:#14181A;
  --lava:#FF5C29;
  --cream:#F5F3EE;
  --cream-2:#EDEAE3;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#15181A;
  --text-2:#5B6166;
  --rev:#F5F3EE;
  --r-card:18px;
  --r-img:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-y:64px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--cream);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;font-weight:800}
p{margin:0}
ol,ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:8px;
}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container-x{padding-left:32px;padding-right:32px}}
@media(min-width:1024px){.container-x{padding-left:48px;padding-right:48px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(245,243,238,.94);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(11,13,12,.06);
  background:rgba(245,243,238,.97);
}
.header-inner{display:flex;align-items:center;gap:16px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--lime);
  display:grid;place-items:center;font-weight:900;font-size:17px;letter-spacing:0;
}
.logo-text{font-weight:800;color:var(--ink);font-size:17px;letter-spacing:-.02em;white-space:nowrap}
.logo-text .logo-sub{color:var(--text-2);font-weight:600}
.nav-main{display:none;align-items:center;gap:2px;margin-left:auto}
@media(min-width:1024px){.nav-main{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:9px 12px;font-size:15px;color:var(--text-2);
  border-radius:999px;transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--ink);background:var(--cream-2)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:3px;background:var(--lime);
}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
@media(min-width:1024px){.header-actions{margin-left:8px}}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--card);
  display:grid;place-items:center;cursor:pointer;color:var(--text);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);box-shadow:var(--sh-1);transform:translateY(-2px)}
.icon-btn:active{transform:scale(.96)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1.5px solid transparent;
  font-weight:700;font-size:15px;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .24s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#d3ff52;box-shadow:0 8px 24px rgba(198,245,60,.35)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--rev)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-dark{background:var(--ink);color:var(--rev);border-color:var(--ink)}
.btn-dark:hover{background:#000;box-shadow:0 8px 24px rgba(11,13,12,.28)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;
  border-bottom:1px solid rgba(11,13,12,.25);padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.link-arrow i{transition:transform .22s var(--ease)}
.link-arrow:hover{border-color:var(--ink)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- chips ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;font-weight:700;line-height:1.6;
  background:var(--cream-2);color:var(--text-2);border:1px solid var(--line);
}
.chip-lime{background:var(--lime-soft);color:#3d5410;border-color:rgba(198,245,60,.55)}
.chip-lava{background:rgba(255,92,41,.12);color:#a5360f;border-color:rgba(255,92,41,.35)}
.chip-dark{background:var(--ink);color:var(--rev);border-color:var(--ink)}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);padding:20px 0 0;
}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--ink)}
.breadcrumb .sep{color:rgba(91,97,102,.6)}
.breadcrumb [aria-current]{color:var(--ink);font-weight:700}

/* ---------- hero ---------- */
.hero-cat{padding-bottom:8px}
.hero-grid{display:grid;gap:28px;padding:22px 0 0}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:32px 0 0}
}
.hero-copy h1{
  font-size:clamp(30px,5.6vw,54px);font-weight:900;margin:16px 0 0;
}
.hero-sub{font-size:clamp(17px,2.2vw,21px);font-weight:700;color:var(--ink);margin-top:14px}
.hero-desc{color:var(--text-2);font-size:16px;margin-top:12px;max-width:56ch}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px}
.hero-media{position:relative;border-radius:20px;overflow:hidden;background:#E4E0D8;aspect-ratio:4/5;border:1px solid var(--line)}
@media(min-width:1024px){.hero-media{aspect-ratio:3/4}}
.hero-media img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.hero-media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:55%;z-index:2;
  background:linear-gradient(180deg,rgba(11,13,12,0) 0%,rgba(11,13,12,.82) 100%);
}
.hero-media-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:3;color:var(--rev);
}
.hero-media-cap strong{display:block;font-size:17px;font-weight:800;letter-spacing:-.01em}
.hero-media-cap span{font-size:13px;color:rgba(245,243,238,.75)}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0}
@media(min-width:1024px){.section{padding:104px 0}}
.sec-alt{background:var(--cream-2)}
.sec-head{max-width:62ch;margin-bottom:34px}
.sec-head h2{font-size:clamp(22px,3.2vw,34px)}
.sec-head p{color:var(--text-2);font-size:16px;margin-top:12px}
@media(min-width:1024px){.sec-head{margin-bottom:48px}}

/* ---------- stat blocks ---------- */
.stat-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px 22px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(11,13,12,.18)}
.stat-num{
  display:block;font-size:clamp(38px,6vw,54px);font-weight:900;line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.04em;
}
.stat-num em{font-style:normal;font-size:16px;font-weight:700;color:var(--text-2);margin-left:6px;letter-spacing:0}
.stat-card h3{font-size:17px;margin-top:14px}
.stat-card p{font-size:14px;color:var(--text-2);margin-top:8px}
.stat-bar{height:4px;border-radius:4px;background:var(--cream-2);margin-top:16px;overflow:hidden}
.stat-bar i{display:block;height:100%;background:var(--lime);border-radius:4px}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 28px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--card);border:2px solid rgba(11,13,12,.35);
}
.tl-item.is-key::before{background:var(--lime);border-color:var(--ink)}
.tl-time{
  font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--text-2);
  font-variant-numeric:tabular-nums;text-transform:uppercase;
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;margin-top:10px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,13,12,.18)}
.tl-body h3{font-size:19px}
.tl-body p{font-size:14px;color:var(--text-2);margin-top:8px}
@media(min-width:1024px){
  .timeline{padding-left:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
  .timeline::before{left:0;right:0;top:9px;bottom:auto;width:auto;height:2px}
  .tl-item{padding:0}
  .tl-item::before{left:0;top:3px}
  .tl-time{margin-top:26px}
}

/* ---------- news cards ---------- */
.news-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(11,13,12,.2)}
.thumb{position:relative;background:#E4E0D8;border-radius:0;aspect-ratio:3/2;overflow:hidden}
.thumb::before{
  content:"爱";position:absolute;inset:0;display:grid;place-items:center;z-index:0;
  font-size:44px;font-weight:900;color:rgba(11,13,12,.12);
}
.thumb img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.thumb .badge{
  position:absolute;left:12px;top:12px;z-index:2;
}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-2);
}
.news-meta .num{font-variant-numeric:tabular-nums}

/* ---------- topic list ---------- */
.topic-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.topic-grid{grid-template-columns:repeat(3,1fr)}}
.topic-item{
  display:flex;align-items:flex-start;gap:14px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.topic-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);background:#FFFEFB}
.topic-icon{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--cream-2);color:var(--ink);font-size:15px;
}
.topic-item h3{font-size:16px}
.topic-item p{font-size:14px;color:var(--text-2);margin-top:6px}

/* ---------- faq ---------- */
.faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:6px 22px;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:700;position:relative;transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:#2c3f0a}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;font-size:15px;color:var(--text-2);
  transition:transform .26s var(--ease),background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--lime);color:var(--ink);border-color:var(--ink)}
.faq-answer{
  padding:0 0 20px 0;font-size:15px;line-height:1.8;color:var(--text-2);position:relative;
}
.faq-item[open] .faq-answer{padding-left:16px}
.faq-item[open] .faq-answer::before{
  content:"";position:absolute;left:0;top:4px;bottom:24px;width:3px;border-radius:3px;background:var(--lime);
}

/* ---------- related chips ---------- */
.related-box{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.related-chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);font-size:14px;font-weight:700;color:var(--ink);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.related-chip:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:var(--sh-1)}
.related-chip i{color:var(--text-2);font-size:12px;transition:transform .2s var(--ease)}
.related-chip:hover i{transform:translateX(3px);color:var(--ink)}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:var(--rev);padding:56px 0}
@media(min-width:1024px){.cta-band{padding:84px 0}}
.cta-inner{display:grid;gap:24px}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.4fr 1fr;align-items:center;gap:48px}}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);color:var(--rev)}
.cta-band p{color:rgba(245,243,238,.72);font-size:16px;margin-top:12px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.cta-band .link-arrow{color:var(--rev);border-bottom-color:rgba(245,243,238,.35)}
.cta-band .link-arrow:hover{border-color:var(--rev)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--rev);padding:56px 0 0}
@media(min-width:1024px){.site-footer{padding-top:72px}}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .logo-mark{background:var(--lime);color:var(--ink)}
.footer-brand p{font-size:14px;color:rgba(245,243,238,.62);margin-top:16px;max-width:38ch}
.site-footer h3{font-size:14px;letter-spacing:.08em;color:rgba(245,243,238,.55);font-weight:700;text-transform:uppercase}
.f-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.f-list a,.f-list span{font-size:14px;color:rgba(245,243,238,.82);transition:color .2s var(--ease),transform .2s var(--ease)}
.f-list a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(245,243,238,.14);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(245,243,238,.55);
}

/* ---------- mobile tab bar ---------- */
.tab-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:flex;background:rgba(245,243,238,.96);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -1px 2px rgba(11,13,12,.05);
}
.tab-item{
  flex:1 1 0;min-width:0;position:relative;
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:9px 2px 8px;font-size:10.5px;color:var(--text-2);font-weight:600;
  transition:color .2s var(--ease);
}
.tab-item i{font-size:18px}
.tab-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.tab-item.is-active{color:var(--ink)}
.tab-item.is-active i{color:#5d7a12}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--lime);
}
@media(min-width:768px){
  .tab-bar{display:none}
  body{padding-bottom:0}
}
@media(max-width:767px){
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .header-actions .btn{display:none}
}

/* ---------- motion ---------- */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:translateY(0)}
}
.hero-copy,.hero-media,.stat-card,.news-card,.topic-item,.tl-body{
  animation:fadeUp .5s var(--ease) both;
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}

/* roulang page: category3 */
:root{
  --ink:#0B0D0C;
  --panel:#14181A;
  --lime:#C6F53C;
  --orange:#FF5C29;
  --paper:#F5F3EE;
  --paper-2:#EDEAE3;
  --card:#FFFFFF;
  --line:#E4E0D8;
  --text:#15181A;
  --muted:#5B6166;
  --on-dark:#F5F3EE;
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,13,12,.06);
  --sh-2:0 12px 32px rgba(11,13,12,.14);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.tail-base{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  padding-bottom:calc(68px + env(safe-area-inset-bottom));
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,dl,dd,dt,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.container-x{max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding:64px 0}
.section-alt{background:var(--paper-2)}
.section-dark{background:var(--ink);color:var(--on-dark)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.h2{font-size:clamp(22px,3.2vw,34px);font-weight:900;letter-spacing:-.02em;line-height:1.25}
.sub{font-size:14px;color:var(--muted);line-height:1.75}
.on-dark-sub{color:rgba(245,243,238,.68)}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(245,243,238,.95);border-bottom:1px solid transparent;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(11,13,12,.06)}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-weight:900;font-size:17px;line-height:1}
.logo-text{font-weight:900;font-size:16px;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo-text span{color:var(--muted);font-weight:700}
.nav-main{display:none;align-items:center;gap:2px;margin-left:8px;flex:1 1 auto}
.nav-link{position:relative;padding:9px 12px;font-size:15px;color:var(--muted);border-radius:var(--r-pill);transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link:hover{color:var(--ink);background:rgba(11,13,12,.05)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:3px;border-radius:3px;background:var(--lime)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;color:var(--ink);border:1px solid var(--line);background:#fff;transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.icon-btn:hover{background:var(--paper-2);border-color:#d3cec3}
.icon-btn:active{transform:scale(.97)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);padding:13px 26px;font-weight:700;font-size:15px;line-height:1;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink);border:1px solid var(--lime)}
.btn-primary:hover{background:#d3ff52;box-shadow:0 8px 24px rgba(198,245,60,.35)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--on-dark)}
.btn-ghost:active{transform:scale(.98)}
.btn-dark-outline{background:transparent;color:var(--on-dark);border:1.5px solid rgba(245,243,238,.5)}
.btn-dark-outline:hover{background:var(--on-dark);color:var(--ink);border-color:var(--on-dark)}
.btn-header{padding:11px 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--ink);border-bottom:1.5px solid rgba(11,13,12,.2);padding-bottom:2px;transition:border-color .2s var(--ease)}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover{border-color:var(--lime)}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow.on-dark{color:var(--on-dark);border-color:rgba(245,243,238,.35)}
.link-arrow.on-dark:hover{border-color:var(--lime)}

/* ============ breadcrumb + hero ============ */
.crumb-bar{padding:18px 0 0;font-size:13px;color:var(--muted)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--muted);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--ink)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--ink);font-weight:700}
.cat-hero{position:relative;margin-top:18px;border-radius:24px;overflow:hidden;color:var(--on-dark);background-image:linear-gradient(115deg,rgba(11,13,12,.9) 0%,rgba(11,13,12,.72) 46%,rgba(11,13,12,.42) 100%),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center;box-shadow:var(--sh-1)}
.cat-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(to top,rgba(11,13,12,.75),rgba(11,13,12,0));pointer-events:none}
.cat-hero-inner{position:relative;z-index:2;padding:44px 24px 40px;max-width:760px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;font-weight:700;padding:6px 14px;border-radius:var(--r-pill);background:rgba(198,245,60,.16);color:var(--lime);border:1px solid rgba(198,245,60,.4)}
.h1{font-size:clamp(30px,5.6vw,54px);font-weight:900;letter-spacing:-.02em;line-height:1.16;margin-top:18px}
.hero-sub{margin-top:14px;font-size:16px;color:rgba(245,243,238,.82);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:26px}
.hero-stats{position:relative;z-index:2;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(245,243,238,.16);border-top:1px solid rgba(245,243,238,.16)}
.hero-stat{background:rgba(11,13,12,.55);padding:16px 20px}
.hero-stat b{display:block;font-size:22px;font-weight:900;color:var(--lime)}
.hero-stat span{font-size:12px;letter-spacing:.06em;color:rgba(245,243,238,.7)}

/* ============ intro strip ============ */
.intro-grid{display:grid;gap:20px;grid-template-columns:1fr}
.intro-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.intro-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d3c8}
.intro-num{font-size:26px;font-weight:900;color:transparent;-webkit-text-stroke:1.4px var(--ink);letter-spacing:.02em}
.intro-item h3{font-size:18px;font-weight:800;margin-top:10px}
.intro-item p{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.75}

/* ============ wall ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head .h2{margin-top:10px}
.wall{display:grid;grid-template-columns:1fr;gap:18px}
.wall-col{display:grid;gap:18px;align-content:start}
.wall-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.wall-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d8d3c8}
.wall-media{position:relative;overflow:hidden;background:#E4E0D8}
.wall-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.wall-card:hover .wall-media img{transform:scale(1.04)}
.wall-media.ratio-32{aspect-ratio:3/2}
.wall-media.ratio-45{aspect-ratio:4/5}
.wall-media::after{content:"";position:absolute;inset:auto 0 0 0;height:52%;background:linear-gradient(to top,rgba(11,13,12,.72),rgba(11,13,12,0))}
.badge-tag{position:absolute;top:12px;left:12px;z-index:2;font-size:12px;letter-spacing:.08em;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);background:rgba(198,245,60,.92);color:var(--ink)}
.badge-tag.hot{background:var(--orange);color:#fff}
.badge-dur{position:absolute;bottom:12px;right:12px;z-index:2;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-pill);background:rgba(11,13,12,.72);color:var(--on-dark);border:1px solid rgba(245,243,238,.25)}
.wall-body{padding:18px 20px 20px}
.wall-title{font-size:17px;font-weight:800;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wall-desc{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.wall-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);background:var(--paper-2);color:var(--muted);border:1px solid var(--line)}
.chip-lime{background:rgba(198,245,60,.28);color:#41500d;border-color:rgba(198,245,60,.7)}

/* ============ glossary ============ */
.glossary{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.glossary dl{margin:0}
.glossary-row{display:grid;grid-template-columns:1fr;gap:6px;padding:20px 22px;border-top:1px solid var(--line)}
.glossary-row:first-child{border-top:0}
.glossary-row dt{font-size:16px;font-weight:800;display:flex;align-items:center;gap:10px}
.glossary-row dt::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.glossary-row dd{margin:0;font-size:14px;color:var(--muted);line-height:1.8}

/* ============ numbered list ============ */
.brief-list{border-top:1px solid var(--line)}
.brief-row{display:flex;align-items:center;gap:18px;padding:20px 8px;border-bottom:1px solid var(--line);transition:background .22s var(--ease),padding-left .22s var(--ease)}
.brief-row:hover{background:rgba(198,245,60,.12);padding-left:16px}
.brief-row .bn{font-size:28px;font-weight:900;color:transparent;-webkit-text-stroke:1.4px var(--ink);min-width:52px;line-height:1}
.brief-row h3{font-size:17px;font-weight:800}
.brief-row p{font-size:14px;color:var(--muted);margin-top:4px}
.brief-row .go{margin-left:auto;color:var(--muted);transition:transform .22s var(--ease),color .22s var(--ease)}
.brief-row:hover .go{transform:translateX(4px);color:var(--ink)}

/* ============ faq ============ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);position:relative;transition:background .22s var(--ease)}
.faq details[open]{background:rgba(198,245,60,.08)}
.faq details[open]::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--lime)}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:20px 8px;font-size:17px;font-weight:700;transition:padding-left .22s var(--ease)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{padding-left:16px}
.faq summary .plus{margin-left:auto;width:26px;height:26px;flex:0 0 auto;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:15px;font-weight:700;color:var(--muted);transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease)}
.faq details[open] summary .plus{transform:rotate(45deg);background:var(--lime);color:var(--ink);border-color:var(--lime)}
.faq .a{padding:0 8px 22px 8px;font-size:15px;line-height:1.85;color:var(--muted);max-width:860px}

/* ============ related chips ============ */
.rel-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.rel-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--card);font-size:14px;font-weight:700;color:var(--ink);box-shadow:var(--sh-1);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.rel-chip:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:0 8px 20px rgba(11,13,12,.1)}
.rel-chip i{color:var(--muted)}

/* ============ cta ============ */
.cta-band{background:var(--ink);color:var(--on-dark);border-radius:24px;padding:44px 24px;margin:0 auto;box-shadow:var(--sh-1)}
.cta-band .h2{color:var(--on-dark)}
.cta-band p{color:rgba(245,243,238,.7);font-size:15px;margin-top:12px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:26px}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:rgba(245,243,238,.78);padding-top:64px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
.site-footer h3{font-size:13px;letter-spacing:.1em;color:var(--on-dark);font-weight:800;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(245,243,238,.66);margin-top:14px;max-width:340px}
.f-list a{display:block;font-size:14px;padding:6px 0;color:rgba(245,243,238,.72);transition:color .2s var(--ease),transform .2s var(--ease)}
.f-list a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid rgba(245,243,238,.12);margin-top:48px;padding:22px 0;font-size:13px;color:rgba(245,243,238,.55)}

/* ============ mobile tabbar ============ */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);backdrop-filter:blur(10px)}
.tab-item{flex:1 1 0;position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 2px 8px;font-size:10.5px;color:var(--muted);transition:color .2s var(--ease)}
.tab-item i{font-size:18px}
.tab-item:hover{color:var(--ink)}
.tab-item.is-active{color:var(--ink);font-weight:700}
.tab-item.is-active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--lime)}

/* ============ reveal ============ */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.reveal{animation:rise .6s var(--ease) both}
.reveal-2{animation-delay:.08s}
.reveal-3{animation-delay:.16s}

/* ============ responsive ============ */
@media (min-width:640px){
  .container-x{padding-left:28px;padding-right:28px}
  .hero-stats{grid-template-columns:repeat(4,1fr)}
  .intro-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:768px){
  .section{padding:84px 0}
  .container-x{padding-left:32px;padding-right:32px}
  body.tail-base{padding-bottom:0}
  .tabbar{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .wall{grid-template-columns:1fr 1fr;gap:24px}
  .wall-col{gap:24px}
  .wall-col.offset{margin-top:64px}
  .glossary-row{grid-template-columns:190px 1fr;gap:24px;align-items:baseline}
  .cta-band{padding:56px 48px}
  .cat-hero-inner{padding:56px 40px 48px}
}
@media (min-width:1024px){
  .section{padding:104px 0}
  .container-x{padding-left:48px;padding-right:48px}
  .nav-main{display:flex}
  .intro-grid{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px}
  .cat-hero-inner{padding:64px 48px 56px}
}
@media (min-width:1280px){
  .container-x{padding-left:24px;padding-right:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
    --brand:#C6F53C;
    --brand-deep:#A8D62A;
    --hot:#FF5C29;
    --ink:#0B0D0C;
    --panel:#14181A;
    --bg:#F5F3EE;
    --bg-alt:#EDEAE3;
    --card:#FFFFFF;
    --line:#E4E0D8;
    --text:#15181A;
    --muted:#5B6166;
    --rev:#F5F3EE;
    --r-card:18px;
    --r-img:14px;
    --r-btn:999px;
    --r-input:12px;
    --sh-1:0 1px 2px rgba(11,13,12,.06);
    --sh-2:0 12px 32px rgba(11,13,12,.14);
    --ease:cubic-bezier(.22,.61,.36,1);
    --t:.24s;
    --num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;object-fit:cover}
  a{color:inherit;text-decoration:none}
  a:hover{color:inherit}
  button,input,select{font:inherit;color:inherit}
  button{background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
  .container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";font-family:var(--num);letter-spacing:.01em}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(245,243,238,.94);
    border-bottom:1px solid transparent;
    transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
  }
  .site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(11,13,12,.06)}
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
  .logo{display:inline-flex;align-items:center;gap:10px;flex:none}
  .logo-mark{
    width:36px;height:36px;border-radius:12px;background:var(--ink);color:var(--brand);
    display:grid;place-items:center;font-weight:900;font-size:18px;letter-spacing:.02em;
  }
  .logo-text{font-weight:900;font-size:17px;letter-spacing:-.02em;color:var(--text)}
  .logo-sub{color:var(--muted);font-weight:700}
  .nav-main{display:none;align-items:center;gap:4px}
  .nav-link{
    position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--muted);
    border-radius:999px;transition:color var(--t) var(--ease),background var(--t) var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
    background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease);
  }
  .nav-link:hover{color:var(--text)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--text);font-weight:700}
  .nav-link.is-active::after{transform:scaleX(1)}
  .header-actions{display:flex;align-items:center;gap:10px;flex:none}
  .icon-btn{
    width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--card);
    display:grid;place-items:center;color:var(--text);transition:all var(--t) var(--ease);
  }
  .icon-btn:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);font-weight:700;font-size:15px;line-height:1;
    padding:14px 28px;transition:all var(--t) var(--ease);white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:var(--ink);box-shadow:var(--sh-1)}
  .btn-primary:hover{background:var(--brand-deep);box-shadow:0 8px 24px rgba(198,245,60,.35);transform:translateY(-2px)}
  .btn-primary:active{transform:scale(.98)}
  .btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
  .btn-ghost:hover{background:var(--ink);color:var(--rev)}
  .btn-ghost:active{transform:scale(.98)}
  .btn-sm{padding:10px 20px;font-size:14px}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--ink)}
  .link-arrow i{transition:transform var(--t) var(--ease)}
  .link-arrow:hover i{transform:translateX(4px)}
  .link-arrow.on-dark{color:var(--rev)}

  /* ---------- 面包屑 / Hero ---------- */
  .crumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:22px 0 0}
  .crumb a{color:var(--muted)}
  .crumb a:hover{color:var(--ink)}
  .crumb span.sep{opacity:.5}
  .crumb .current{color:var(--ink);font-weight:700}

  .hero-cat{
    position:relative;margin-top:18px;border-radius:24px;overflow:hidden;
    background-color:var(--ink);color:var(--rev);
  }
  .hero-cat .hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
  }
  .hero-cat .hero-mask{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(11,13,12,.55) 0%,rgba(11,13,12,.82) 55%,rgba(11,13,12,.96) 100%);
  }
  .hero-cat .hero-body{position:relative;padding:36px 22px 34px}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;
    padding:6px 12px;border-radius:999px;background:rgba(198,245,60,.14);color:var(--brand);
    border:1px solid rgba(198,245,60,.35);font-weight:700;
  }
  .hero-cat h1{
    margin-top:16px;font-size:clamp(30px,5.6vw,60px);line-height:1.12;font-weight:900;letter-spacing:-.02em;
  }
  .hero-cat h1 em{font-style:normal;color:var(--brand)}
  .hero-sub{margin-top:14px;font-size:16px;color:rgba(245,243,238,.82);max-width:640px}
  .hero-cta{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
  .hero-stats{
    margin-top:30px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;
  }
  .hero-stat{
    background:rgba(245,243,238,.07);border:1px solid rgba(245,243,238,.14);border-radius:14px;
    padding:14px 16px;
  }
  .hero-stat b{display:block;font-size:24px;font-weight:900;color:var(--brand);line-height:1.2}
  .hero-stat span{font-size:13px;color:rgba(245,243,238,.68)}

  /* ---------- 区块通用 ---------- */
  .section{padding:64px 0}
  .section-alt{background:var(--bg-alt)}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
  .sec-head h2{font-size:clamp(22px,3.2vw,34px);font-weight:900;letter-spacing:-.02em;line-height:1.2}
  .sec-head p{color:var(--muted);font-size:15px;max-width:620px;margin-top:8px}
  .chip{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;font-weight:700;
    padding:5px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--muted);
  }
  .chip-brand{background:rgba(198,245,60,.22);border-color:rgba(168,214,42,.5);color:#3B4A08}
  .chip-hot{background:rgba(255,92,41,.12);border-color:rgba(255,92,41,.35);color:#B1330B}
  .chip-row{display:flex;flex-wrap:wrap;gap:10px}

  /* ---------- 指标条 ---------- */
  .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .metric{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;
    box-shadow:var(--sh-1);transition:all var(--t) var(--ease);
  }
  .metric:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D1C4}
  .metric b{display:block;font-size:clamp(26px,4vw,38px);font-weight:900;letter-spacing:-.02em;line-height:1.1}
  .metric b i{font-style:normal;font-size:16px;font-weight:700;color:var(--muted);margin-left:4px}
  .metric span{display:block;margin-top:8px;font-size:14px;color:var(--muted)}

  /* ---------- 步骤流程 ---------- */
  .steps{display:grid;grid-template-columns:1fr;gap:16px}
  .step{
    position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px 20px;box-shadow:var(--sh-1);transition:all var(--t) var(--ease);
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D1C4}
  .step-no{
    font-size:30px;font-weight:900;line-height:1;color:transparent;-webkit-text-stroke:1.5px var(--ink);
    font-family:var(--num);letter-spacing:.02em;
  }
  .step h3{margin-top:12px;font-size:19px;font-weight:800;letter-spacing:-.01em}
  .step p{margin-top:8px;font-size:14.5px;color:var(--muted)}
  .step-bar{height:3px;width:44px;border-radius:3px;background:var(--brand);margin-top:16px}

  /* ---------- 榜单卡片墙 ---------- */
  .rank-grid{display:grid;grid-template-columns:1fr;gap:18px}
  .rank-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
    box-shadow:var(--sh-1);transition:all var(--t) var(--ease);display:flex;flex-direction:column;
  }
  .rank-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D1C4}
  .rank-thumb{position:relative;aspect-ratio:3/2;background:#E4E0D8;overflow:hidden}
  .rank-thumb img{width:100%;height:100%;transition:transform .32s var(--ease)}
  .rank-card:hover .rank-thumb img{transform:scale(1.04)}
  .rank-thumb::after{
    content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,12,0) 45%,rgba(11,13,12,.62) 100%);
  }
  .rank-badge{
    position:absolute;top:10px;left:10px;z-index:2;font-size:12px;letter-spacing:.08em;font-weight:700;
    padding:4px 10px;border-radius:999px;background:rgba(11,13,12,.78);color:var(--brand);
  }
  .rank-badge.hot{background:var(--hot);color:#fff}
  .rank-value{
    position:absolute;right:12px;bottom:10px;z-index:2;color:#fff;font-size:20px;font-weight:900;letter-spacing:-.01em;
  }
  .rank-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
  .rank-body h3{font-size:17px;font-weight:800;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .rank-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .rank-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:6px;border-top:1px solid var(--line)}

  /* ---------- 口径对比行卡 ---------- */
  .cmp-list{display:grid;grid-template-columns:1fr;gap:14px}
  .cmp-row{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:18px 20px;display:flex;flex-direction:column;gap:14px;
    transition:all var(--t) var(--ease);box-shadow:var(--sh-1);
  }
  .cmp-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D1C4}
  .cmp-left h3{font-size:17px;font-weight:800;letter-spacing:-.01em}
  .cmp-left p{font-size:14px;color:var(--muted);margin-top:6px}
  .cmp-right{display:flex;gap:10px;flex-wrap:wrap}
  .cmp-pill{
    min-width:120px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px 14px;
  }
  .cmp-pill span{display:block;font-size:12px;color:var(--muted);letter-spacing:.04em}
  .cmp-pill b{display:block;font-size:18px;font-weight:900;line-height:1.3;font-family:var(--num)}
  .cmp-pill.accent{background:rgba(198,245,60,.16);border-color:rgba(168,214,42,.45)}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:900px}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 4px;font-size:17px;font-weight:700;letter-spacing:-.01em;transition:color var(--t) var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:#3B4A08}
  .faq-item summary .plus{
    flex:none;width:28px;height:28px;border-radius:999px;border:1px solid var(--line);background:var(--card);
    display:grid;place-items:center;font-size:15px;font-weight:700;transition:transform var(--t) var(--ease),background var(--t) var(--ease);
  }
  .faq-item[open] summary .plus{transform:rotate(45deg);background:var(--brand);border-color:var(--brand)}
  .faq-answer{
    border-left:3px solid var(--brand);padding:2px 0 20px 16px;margin-left:4px;
    font-size:15px;line-height:1.8;color:var(--muted);
  }

  /* ---------- 相关分类 ---------- */
  .rel-grid{display:grid;grid-template-columns:1fr;gap:12px}
  .rel-link{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
    font-weight:700;font-size:15px;transition:all var(--t) var(--ease);
  }
  .rel-link span.desc{font-weight:500;font-size:13px;color:var(--muted);display:none}
  .rel-link i{color:var(--muted);transition:transform var(--t) var(--ease),color var(--t) var(--ease)}
  .rel-link:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--sh-1)}
  .rel-link:hover i{transform:translateX(4px);color:var(--ink)}

  /* ---------- 转化条 ---------- */
  .cta-band{
    background:var(--ink);color:var(--rev);border-radius:24px;padding:38px 22px;
    position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
    background:radial-gradient(circle,rgba(198,245,60,.22),rgba(198,245,60,0) 70%);
  }
  .cta-band h2{font-size:clamp(22px,3.2vw,32px);font-weight:900;letter-spacing:-.02em;line-height:1.25}
  .cta-band p{margin-top:10px;color:rgba(245,243,238,.72);font-size:15px}
  .cta-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;position:relative;z-index:1}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--ink);color:var(--rev);margin-top:64px;padding-top:52px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
  .site-footer h3{font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--rev);margin-bottom:14px}
  .footer-brand p{margin-top:14px;font-size:14px;color:rgba(245,243,238,.62);max-width:340px}
  .f-list{display:flex;flex-direction:column;gap:10px}
  .f-list a{font-size:14px;color:rgba(245,243,238,.72);transition:color var(--t) var(--ease)}
  .f-list a:hover{color:var(--brand)}
  .footer-bottom{
    margin-top:40px;border-top:1px solid rgba(245,243,238,.14);padding:18px 0 26px;
    display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:13px;color:rgba(245,243,238,.55);
  }

  /* ---------- 底部 Tab ---------- */
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:80;
    background:rgba(245,243,238,.96);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tab-item{
    flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
    padding:9px 2px 7px;font-size:11px;color:var(--muted);position:relative;transition:color var(--t) var(--ease);
  }
  .tab-item i{font-size:20px}
  .tab-item::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:0;height:3px;border-radius:0 0 3px 3px;
    background:var(--brand);transition:width var(--t) var(--ease);
  }
  .tab-item.is-active{color:var(--ink);font-weight:700}
  .tab-item.is-active::before{width:26px}
  .tab-item.is-active i{color:#3B4A08}

  @media (min-width:640px){
    .container-x{padding-left:32px;padding-right:32px}
    .hero-cat .hero-body{padding:46px 34px 44px}
    .hero-stats{grid-template-columns:repeat(4,minmax(0,1fr))}
    .metric-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .rank-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .cmp-row{flex-direction:row;align-items:center;justify-content:space-between}
    .cmp-left{max-width:420px}
    .rel-link span.desc{display:inline}
  }
  @media (min-width:768px){
    body{padding-bottom:0}
    .tabbar{display:none}
    .section{padding:84px 0}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
  }
  @media (min-width:1024px){
    .header-inner{height:72px}
    .nav-main{display:flex}
    .section{padding:104px 0}
    .hero-cat .hero-body{padding:56px 48px 52px}
    .rank-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .cmp-list{gap:16px}
    .rel-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .cta-band{padding:52px 48px}
  }
  @media (max-width:767px){
    body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  }